Article number 3SK2941-2AA10 3SK2941-2AA11
Starter kit for safety relay 3SK2 Content: Basic unit 3SK2 22.5 mm (3SK2112-2AA10), Software SIRIUS Safety ES V 1.0 standard, USB PC cable starter kit for safety relay 3SK2 content: basic unit 3SK2 22.5 mm (3SK2112-2AA10), USB cable software SIRIUS Safety ES V17 Basic for free download
product brand name SIRIUS SIRIUS
product category Safety relay Safety relay
product designation Basic starter kit Basic starter kit
design of the product comprises 3SK2112-2AA10 basic unit, SIRIUS Safety ES Standard and 3UF7941-0AA00-0 USB PC cable comprises 3SK2112-2AA10 basic unit, SIRIUS Safety Basic TIA for download and 3UF7941-0AA00-0 USB PC cable
suitability for use for monitoring of optoelectronic protective devices according to IEC 61496-1 Yes Yes
suitability for use
● monitoring of floating sensors Yes Yes
● monitoring of non-floating sensors Yes Yes
● position switch monitoring Yes Yes
● EMERGENCY-OFF circuit monitoring Yes Yes
● valve monitoring Yes Yes
● opto-electronic protection device monitoring Yes Yes
● magnetically operated switch monitoring Yes Yes
● proximity switch monitoring Yes Yes
● safety-related circuits Yes Yes
General technical data
product function
● EMERGENCY STOP function Yes Yes
● protective door monitoring Yes Yes
● protective door monitoring with tumbler Yes Yes
● muting, 2 sensor-parallel Yes Yes
● muting, 4 sensor-parallel Yes Yes
● muting, 4 sensor-sequential Yes Yes
● monitoring parameterizable Yes Yes
● evaluation: electro-sensitive protective equipment Yes Yes
● evaluation: selector switch Yes Yes
● pressure-sensitive mat monitoring Yes Yes
● evaluation: two-hand operator panel Yes Yes
● evaluation: enabling switch Yes Yes
● monitored start-up Yes Yes
● two-hand control according to EN 574 Yes Yes
configuration software required Yes; Safety ES V1.0 and higher Yes; Safety ES V1.0 and higher
number of function blocks typical 50 50
insulation voltage rated value 50 V 50 V
degree of pollution 3 3
surge voltage resistance rated value 800 V 800 V
protection class IP
● of the enclosure IP20 IP20
● of the terminal IP20 IP20
shock resistance 15g / 11 ms 15g / 11 ms
vibration resistance according to IEC 60068-2-6 5 ... 500 Hz: 0.75 mm 5 ... 500 Hz: 0.75 mm
operating frequency maximum 2 000 1/h 2 000 1/h
reference code according to IEC 81346-2 F F
Substance Prohibitance (Date) 07/01/2006 07/01/2006
SVHC substance name
Lead monoxide (lead oxide) - 1317-36-8
Lead titanium zirconium oxide - 12626-81-2
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one - 71868-10-5
Lead - 7439-92-1
Lead monoxide (lead oxide) - 1317-36-8
2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol - 79-94-7
Lead titanium zirconium oxide - 12626-81-2
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one - 71868-10-5
Net Weight 0.638 kg 0.45 kg
product function suitable for AS-i Power24V No No
product function diagnostics with CTT2 device No No
Ambient conditions
installation altitude at height above sea level maximum 4 000 m 4 000 m
ambient temperature
● during operation -25 ... +60 °C -25 ... +60 °C
● during storage -40 ... +80 °C -40 ... +80 °C
● during transport -40 ... +80 °C -40 ... +80 °C
relative humidity during operation 10 ... 95 % 10 ... 95 %
air pressure according to SN 31205 90 ... 106 kPa 90 ... 106 kPa
Electromagnetic compatibility
EMC emitted interference according to IEC 60947-1 class A class A
conducted interference
● due to burst according to IEC 61000-4-4 2 kV (power ports) / 1 kV (signal ports) 2 kV (power ports) / 1 kV (signal ports)
field-based interference according to IEC 61000-4-3 10 V/m 10 V/m
electrostatic discharge according to IEC 61000-4-2 4 kV contact discharge / 8 kV air discharge 4 kV contact discharge / 8 kV air discharge
Safety related data
diagnostics test interval by internal test function maximum 1 000 s 1 000 s
stop category according to IEC 60204-1 0 / 1 0 / 1
IEC 62061
SIL Claim Limit (subsystem) according to EN 62061 3 3
Safety Integrity Level (SIL)
● according to IEC 62061 SIL 3 SIL 3
PFHD with high demand rate
● according to IEC 62061 1E-8 1/h 1E-8 1/h
ISO 13849
performance level (PL) according to EN ISO 13849-1 e e
category according to EN ISO 13849-1 4 4
performance level (PL)
● according to ISO 13849-1 PL e PL e
IEC 61508
Safety Integrity Level (SIL)
● according to IEC 61508 3 3
PFDavg with low demand rate according to IEC 61508 1.5E-5 1.5E-5
hardware fault tolerance
● according to IEC 61508 1 1
T1 value
● for proof test interval or service life according to IEC 61508 20 a 20 a
Electrical Safety
touch protection against electrical shock finger-safe finger-safe
Inputs/ Outputs
product function
● parameterizable inputs Yes Yes
● parameterizable outputs Yes Yes
● at the digital outputs short-circuit protection Yes Yes
number of inputs
● safety-related 10 10
● non-safety-related 0 0
input delay time 0 ... 150 ms 0 ... 150 ms
type of digital inputs according to IEC 60947-1 Type 1 Type 1
ingress aquisition time at digital input maximum 60 ms 60 ms
input delay time at digital input maximum 150 ms 150 ms
input current at digital input
● for signal <1> typical 2.6 mA 2.6 mA
number of outputs
● safety-related 2-channel 2 2
● for testing contact-based sensors 2 2
number of outputs as contact-affected switching element safety-related
● 1-channel 0 0
● 2-channel 0 0
number of outputs as contact-less semiconductor switching element
● safety-related 2-channel 2 2
● non-safety-related 1 1
design of the contactless switching element safety-related P potential P potential
recovery time of the safe outputs 0 ms 0 ms
readback time maximum 400 ms 400 ms
light test period 3 ms 3 ms
dark period of the common drivers 3 ms 3 ms
switching capacity current of semiconductor outputs at DC-13 at 24 V 4 A 4 A
residual current
● maximum 0.1 mA 0.1 mA
● at digital output with signal <0> maximum 0.1 mA 0.1 mA
total current maximum 6.5 A 6.5 A
voltage drop maximum 0.5 V 0.5 V
wire length of the signal cable
● to the inputs
— shielded maximum 1 000 m 1 000 m
— unshielded maximum 600 m 600 m
● to the outputs
— shielded maximum 1 000 m 1 000 m
— unshielded maximum 600 m 600 m
Communication/ Protocol
protocol optional is supported
● PROFIBUS DP protocol Yes; when using the DP interface module; 64 bit cyclical data Yes; when using the DP interface module; 64 bit cyclical data
● PROFINET IO protocol Yes; when using the PN interface module; 64-bit cyclic data Yes; when using the PN interface module; 64-bit cyclic data
protocol is supported AS-Interface protocol No No
Control circuit/ Control
type of voltage DC DC
control supply voltage rated value 24 V 24 V
operating range factor control supply voltage rated value at DC
● initial value 0.85 0.85
● full-scale value 1.2 1.2
inrush current peak
● at 24 V 10 A 10 A
duration of inrush current peak
● at 24 V 1 ms 1 ms
operating power rated value 2.5 W 2.5 W
Installation/ mounting/ dimensions
mounting position any any
fastening method Snap-mounted to DIN rail or screw-mounted with additional push-in lug Snap-mounted to DIN rail or screw-mounted with additional push-in lug
height 100 mm 100 mm
width 22.5 mm 22.5 mm
depth 124.5 mm 124.5 mm
Connections/ Terminals
product function removable terminal Yes Yes
type of electrical connection spring-loaded terminal (push-in) spring-loaded terminal (push-in)
type of connectable conductor cross-sections
● solid 1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²) 1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²)
● finely stranded with core end processing 1x (0.5 ... 1.0 mm²), 2x (0.5 ... 1.0 mm²) 1x (0.5 ... 1.0 mm²), 2x (0.5 ... 1.0 mm²)
● for AWG cables solid 1x (20 ... 16), 2x (20 ... 16) 1x (20 ... 16), 2x (20 ... 16)
● for AWG cables stranded 1x (20 ... 16), 2x (20 ... 16) 1x (20 ... 16), 2x (20 ... 16)
connectable conductor cross-section finely stranded with core end processing 0.5 ... 1 mm² 0.5 ... 1 mm²
Approvals Certificates
General Product Approval
UK Declaration of Conformity UK Declaration of Conformity
Yes Yes
EU declaration of conformity EU declaration of conformity Yes Yes
cULus cULus Yes Yes
EAC EAC
Yes Yes
EMV
RCM RCM
Yes Yes
Functional Saftey
Type Examination Certificate Yes Yes
other
Chinese Quality Checkmark Chinese Quality Checkmark Yes Yes
Confirmation Yes Yes
Environment
Environmental Confirmations Yes Yes
Further information
Information on the packaging
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3SK2941-2AA10 3SK2941-2AA11
3SK2941-2AA10 3SK2941-2AA11
3SK2941-2AA10 3SK2941-2AA11
last modified: 9/5/2025
Date
11/27/2025
Subject to change without notice
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